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Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Definition of: glacier theory

Geol.
The theory that large elevated portions of the temperate and frigid zones were covered during the earlier geologic epochs by slowly moving glaciers that transported vast masses of drift to lower latitudes.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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